Which expression represents, six times a number plus 8 times a number? 6a 8 48(ab) 6 8 a b 6a 8b
2 answers:
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Answer:
x = ± 13
Step-by-step explanation:
Given
x² = 169 ( take the square root of both sides )
x = ± = ± 13
Since 13 × 13 = 169 and - 13× - 13 = 169